Riello SD2 Online UPS Rack/Tower
Riello SD2 Online UPS Rack/Tower delivers full power with PF 1.0 in a compact 2U form factor. Sentinel Dual2 delivers true ONLINE protection and maximum uptime for critical IT environments.
Sentinel Dual2 Series - High-Performance ONLINE UPS with PF 1.0
The Riello Sentinel Dual2 is designed for professional businesses with high demands for reliability, stability, and efficient energy use. The series is tailored for servers, IT systems, networks, and other sensitive equipment, ensuring continuous and clean power supply in critical environments. Sentinel Dual2 combines Italian technological expertise with high user-friendliness and offers advanced configuration and control features—also accessible via a dedicated Bluetooth app. The result is a future-proof UPS solution for data centers, edge installations, healthcare, telecom, and industrial applications.
At just 2U in height, Sentinel Dual2 fits perfectly in 19" racks and can also be installed as a tower. All models deliver a power factor of 1.0, meaning you get full active power available in kW and maximum utilization of invested capacity.
Standard variants A3 and A5 are stocked for quick delivery to the business market. ER models can be supplied for extended autonomy but are ordered as special orders from Riello UPS and configured according to project requirements.
All models can be floor-standing (tower) or rack-mounted (2U).
| Model | Power (VA / W) | Power Factor | Outlets | Battery Pack Option |
|---|---|---|---|---|
| SD2 1000 | 1000 / 1000 | 1.0 | 8× IEC C13 | ✓ |
| SD2 1500 | 1500 / 1500 | 1.0 | 8× IEC C13 | |
| SD2 2200 | 2200 / 2200 | 1.0 | 8× IEC C13 + 1× IEC C19 | ✓ |
| SD2 2200 ER | 2200 / 2200 | 1.0 | 8× IEC C13 + 1× IEC C19 | ✓ |
| SD2 3000 | 3000 / 3000 | 1.0 | 8× IEC C13 + 1× IEC C19 | ✓ |
| SD2 3000 ER | 3000 / 3000 | 1.0 | 8× IEC C13 + 1× IEC C19 | ✓ |
*ER models are supplied without internal batteries and are designed for solutions with external battery banks and extended autonomy.
Runtime Table
| Size | Battery Packs | Runtime at Load (min) | |||
|---|---|---|---|---|---|
| 25% | 50% | 75% | 100% | ||
| 1000VA / 1000W | 250W | 500W | 750W | 1000W | |
| 0 units* | 29 | 12 | 7 | 4 | |
| 1 unit | 72 | 30 | 18 | 13 | |
| 2 units | 112 | 54 | 32 | 22 | |
| 3 units | 156 | 77 | 49 | 32 | |
| 1500VA / 1500W | 375W | 750W | 1125W | 1500W | |
| 0 units* | 25 | 10 | 5 | 3 | |
| 1 unit | N/A | N/A | N/A | N/A | |
| 2 units | N/A | N/A | N/A | N/A | |
| 3 units | N/A | N/A | N/A | N/A | |
| 2200VA / 2200W | 550W | 1100W | 1650W | 2200W | |
| 0 units* | 27 | 11 | 6 | 4 | |
| 1 unit | 66 | 28 | 17 | 11 | |
| 2 units | 106 | 51 | 28 | 20 | |
| 3 units | 147 | 70 | 45 | 29 | |
| 3000VA / 3000W | 750W | 1500W | 2250W | 3000W | |
| 0 units* | 27 | 10 | 6 | 3 | |
| 1 unit | 65 | 28 | 16 | 11 | |
| 2 units | 104 | 50 | 28 | 19 | |
| 3 units | 143 | 68 | 44 | 28 | |
*Units are equipped with internal batteries.
**Runtime is rounded to the nearest minute.
***Runtime is calculated under ideal operating conditions (25°C and new batteries). Values are indicative and cannot be guaranteed.
Key Features
- ONLINE double conversion (VFI) provides continuous pure sine wave output and full isolation from power disturbances—ideal for critical IT and industrial loads.
- Power factor 1.0 ensures maximum available active power and optimal capacity utilization.
- High efficiency - up to 93.7% in ONLINE mode and up to 98% in ECO/Smart Active mode for reduced energy consumption and lower operating costs.
- Flexible installation - rack or tower in 2U format with a rotatable LCD display and clear LED status indicator.
- Advanced battery management with optimized charging for extended lifespan and support for external battery cabinets.
- Bluetooth configuration via mobile app for quick and efficient setup.
- Communication and integration - USB, RS-232, and communication card slot for integration into modern IT and virtualization environments.
- Compact high density - optimized for blade servers and high-power environments.
Software for Safe Operation and Monitoring of Riello UPS
- PowerShield³ Free - UPS management software for monitoring, event logging, and automatic shutdown of servers and IT equipment during power outages.
- PowerNetGuard - Advanced solution for centralized monitoring and management of multiple UPS units in a network, with alerts and control across locations.
- UPS Tools - Configuration and customization via USB.
UPSToolsBT
With UPSToolsBT from Riello, you can easily configure Sentinel Dual2 using your phone via Bluetooth.
Why Choose Sentinel Dual2?
Sentinel Dual2 provides businesses with high power density, PF 1.0, compact 2U design, and advanced energy conversion in one robust and flexible platform. Whether for data centers, edge solutions, healthcare, telecom, or industrial applications, the series delivers reliable power supply with high efficiency and predictable operation.
For businesses, this means better capacity utilization, reduced operating costs, and secure protection of critical infrastructure.
Frequently Asked Questions About UPS
- What does power factor 1.0 mean?
- PF 1.0 means the UPS delivers all active power to the load without loss.
- Does the unit turn itself back on when power returns?
- Yes. The UPS automatically turns back on when power returns.
- How efficient is the UPS?
- Up to 93.7% in ONLINE mode and up to 98% in ECO/Smart Active mode.
